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Friedrich US10B10A Filter
The unit filter is responsible for filtering minute dust particles and other miniscule particles from the inside air inside the home. This helps help keep the wall unit from building up too much dust and make it operate a lot better at doing its job while, at the same time, filtering the air breathe in and out everyday. Because of the nature of filtering air, the filter should probably be exchanged or possible scrubbed clean a few times a year depending on how much you use it.
Major indications the air filter is failing
- The system air filter looks gray or brown and it would be a good idea to replace it right away
- If you place a light source behind it, the light is unable to infiltrate to the opposite side of the filter
- Many pros have advised to switch out the air filter in your unit every season of the year to assist in keeping the indoor air clean and fresh
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